Home / 5,397.28-7,448.36-3,272.88

Finding the Fourth Proportional to 5,397.28, 7,448.36 and 3,272.88

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Solution

The fourth proportional to 5,397.28, 7,448.36 and 3,272.88 is: 4,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.28 : 7,448.36 = 3,272.88 : x
  2. Step 2: Convert to fraction form
    5,397.28/7,448.36 = 3,272.88/x
  3. Step 3: Cross multiply
    5,397.28x = 7,448.36 × 3,272.88
  4. Step 4: Simplify right side
    5,397.28x = 24,377,588.48
  5. Step 5: Solve for x
    x = 24,377,588.48/5,397.28
  6. Step 6: Final answer
    x = 4,516.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.